MAYBE
41.85/14.69	MAYBE
41.85/14.69	
41.85/14.69	Problem:
41.85/14.69	 a(x1) -> b(x1)
41.85/14.69	 a(c(x1)) -> c(c(c(a(a(b(x1))))))
41.85/14.69	 b(b(x1)) -> x1
41.85/14.69	
41.85/14.69	Proof:
41.85/14.69	 Open
41.85/14.70	EOF